/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include "btdelegatepair.h"

#include "btuiutil.h"

#include "btdelegatefactory.h"

#include "btqtconstants.h"

#include <QModelIndex>

#include <btsettingmodel.h>

#include <btdevicemodel.h>

#include <bluetoothuitrace.h>

#include <hbnotificationdialog.h>

#include <hblabel.h>

#include <hbprogressbar.h>

// docml to load

const char* BTUI_PAIR_WAIT_DOCML = ":/docml/pairwaitingdialog.docml";

BtDelegatePair::BtDelegatePair(

        BtSettingModel* settingModel, 

        BtDeviceModel* deviceModel, 

        QObject *parent) :

    BtAbstractDelegate(settingModel, deviceModel, parent), mBtengConnMan(0)

{

    mLoader = new HbDocumentLoader();

    mAbstractDelegate = NULL;

}

BtDelegatePair::~BtDelegatePair()

{

    delete mBtengConnMan;

    delete mLoader;

}

void BtDelegatePair::exec( const QVariant &params )

{

    deviceIndex = params.value<QModelIndex>();

    if(isBtPowerOn()) {

        exec_pair();

    }

    else {

        //If Bt Power is off, switch it on and then perform pairing.

        //todo: Do we ask for user confirmation here..?

        if (!mAbstractDelegate) { 

            mAbstractDelegate = BtDelegateFactory::newDelegate(BtDelegate::ManagePower, 

                    getSettingModel(), getDeviceModel() ); 

            connect( mAbstractDelegate, SIGNAL(commandCompleted(int)), this, SLOT(powerDelegateCompleted(int)) );

            mAbstractDelegate->exec(QVariant(BtPowerOn));

        }

    }

}

void BtDelegatePair::powerDelegateCompleted(int error)

{

    if (mAbstractDelegate) {

        disconnect(mAbstractDelegate);

        delete mAbstractDelegate;

        mAbstractDelegate = 0;

    }

    if ( error == KErrNone ) {

        exec_pair();

    } 

    else {

        // error

        emitCommandComplete(error);

    }

}

void BtDelegatePair::exec_pair()

{

    int error = KErrNone;

    mdeviceName = getDeviceModel()->data(deviceIndex,BtDeviceModel::NameAliasRole).toString();

    QString strBtAddr = getDeviceModel()->data(deviceIndex,BtDeviceModel::ReadableBdaddrRole).toString();

    int cod = getDeviceModel()->data(deviceIndex,BtDeviceModel::CoDRole).toInt();

    if ( ! mBtengConnMan ){

        TRAP( error, mBtengConnMan = CBTEngConnMan::NewL(this) );

    }

    if ( !error ) {

        TBTDevAddr btEngddr;

        addrReadbleStringToSymbian( strBtAddr, btEngddr );

        TBTDeviceClass btEngDeviceClass(cod);

        error = mBtengConnMan->PairDevice(btEngddr, btEngDeviceClass);

        launchWaitDialog();

    }

    if(error) {

        emitCommandComplete(error);

    }

}

void BtDelegatePair::launchWaitDialog()

{

    QString headingText(hbTrId("txt_bt_title_pairing_with_1"));

    HbLabel *heading;

    HbProgressBar* progressBar;

    bool ok = false;

    mLoader->load( BTUI_PAIR_WAIT_DOCML, &ok );

    // Exit if the file format is invalid

    BTUI_ASSERT_X( ok, "BTUI_PAIR_WAIT_DOCML", "Invalid docml file" );

    mWaitDialog = qobject_cast<HbDialog *>( mLoader->findWidget( "dialog" ) );

    BTUI_ASSERT_X( mWaitDialog != 0, "BTUI_PAIR_WAIT_DOCML", "dialog not found" );

    heading = qobject_cast<HbLabel *>( mLoader->findWidget( "heading" ) );

    BTUI_ASSERT_X( heading != 0, "BTUI_PAIR_WAIT_DOCML", "heading not found" );

    progressBar = qobject_cast<HbProgressBar *>( mLoader->findWidget( "progressBar" ) );

    BTUI_ASSERT_X( progressBar != 0, "BTUI_PAIR_WAIT_DOCML", "progressBar not found" );

    progressBar->setRange(0,0);

    heading->setPlainText(headingText.arg(mdeviceName));

    mWaitDialog->setDismissPolicy(HbPopup::NoDismiss);

    mWaitDialog->setTimeout(HbPopup::NoTimeout);

    mWaitDialog->show();

}

void BtDelegatePair::ConnectComplete( TBTDevAddr& aAddr, TInt aErr, 

                                   RBTDevAddrArray* aConflicts )

{

    Q_UNUSED(aAddr);

    Q_UNUSED(aErr);    

    Q_UNUSED(aConflicts);

}

void BtDelegatePair::DisconnectComplete( TBTDevAddr& aAddr, TInt aErr )

{

    Q_UNUSED(aAddr);

    Q_UNUSED(aErr);    

}

void BtDelegatePair::PairingComplete( TBTDevAddr& aAddr, TInt aErr )

{

    Q_UNUSED(aAddr);

    mWaitDialog->close();

    emitCommandComplete(aErr);

}

void BtDelegatePair::emitCommandComplete(int error)

{

    emit commandCompleted(error);

}

void BtDelegatePair::cancel()

{

    if ( mBtengConnMan ) {

        mBtengConnMan->CancelPairDevice();

    }

}